Re: [AVTCORE] New Version Notification for draft-wu-avtcore-dynamic-pt-usage-00.txt

Qin Wu <bill.wu@huawei.com> Thu, 05 September 2013 03:04 UTC

Return-Path: <bill.wu@huawei.com>
X-Original-To: avt@ietfa.amsl.com
Delivered-To: avt@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9C46C11E824C for <avt@ietfa.amsl.com>; Wed, 4 Sep 2013 20:04:57 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.539
X-Spam-Level:
X-Spam-Status: No, score=-6.539 tagged_above=-999 required=5 tests=[AWL=0.060, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kn7JxMwVuiSD for <avt@ietfa.amsl.com>; Wed, 4 Sep 2013 20:04:53 -0700 (PDT)
Received: from lhrrgout.huawei.com (lhrrgout.huawei.com [194.213.3.17]) by ietfa.amsl.com (Postfix) with ESMTP id 3646111E824B for <avt@ietf.org>; Wed, 4 Sep 2013 20:04:53 -0700 (PDT)
Received: from 172.18.7.190 (EHLO lhreml204-edg.china.huawei.com) ([172.18.7.190]) by lhrrg01-dlp.huawei.com (MOS 4.3.5-GA FastPath queued) with ESMTP id AWX44804; Thu, 05 Sep 2013 03:04:50 +0000 (GMT)
Received: from LHREML403-HUB.china.huawei.com (10.201.5.217) by lhreml204-edg.china.huawei.com (172.18.7.223) with Microsoft SMTP Server (TLS) id 14.3.146.0; Thu, 5 Sep 2013 04:04:02 +0100
Received: from NKGEML403-HUB.china.huawei.com (10.98.56.34) by lhreml403-hub.china.huawei.com (10.201.5.217) with Microsoft SMTP Server (TLS) id 14.3.146.0; Thu, 5 Sep 2013 04:04:18 +0100
Received: from NKGEML501-MBS.china.huawei.com ([169.254.2.96]) by nkgeml403-hub.china.huawei.com ([10.98.56.34]) with mapi id 14.01.0323.007; Thu, 5 Sep 2013 11:04:09 +0800
From: Qin Wu <bill.wu@huawei.com>
To: Magnus Westerlund <magnus.westerlund@ericsson.com>, Roni Even <ron.even.tlv@gmail.com>
Thread-Topic: [AVTCORE] New Version Notification for draft-wu-avtcore-dynamic-pt-usage-00.txt
Thread-Index: AQHOp8RsvL6G0EkcGUWNGcXvM1i/kZmx0RqAgAGhTICAAwbtUA==
Date: Thu, 5 Sep 2013 03:04:08 +0000
Message-ID: <B8F9A780D330094D99AF023C5877DABA43BDB3CA@nkgeml501-mbs.china.huawei.com>
References: <20130830162909.20422.68365.idtracker@ietfa.amsl.com> <008201cea59e$aa9fd3a0$ffdf7ae0$@gmail.com> <5EAB5396-57ED-4B29-9FEF-0CAF92F27052@csperkins.org> <015a01cea7d3$62c3cbe0$284b63a0$@gmail.com> <5225DAD7.40507@ericsson.com>
In-Reply-To: <5225DAD7.40507@ericsson.com>
Accept-Language: zh-CN, en-US
Content-Language: zh-CN
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [10.138.41.149]
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-CFilter-Loop: Reflected
Cc: 'Colin Perkins' <csp@csperkins.org>, "avt@ietf.org" <avt@ietf.org>
Subject: Re: [AVTCORE] New Version Notification for draft-wu-avtcore-dynamic-pt-usage-00.txt
X-BeenThere: avt@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Audio/Video Transport Core Maintenance <avt.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/avt>, <mailto:avt-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/avt>
List-Post: <mailto:avt@ietf.org>
List-Help: <mailto:avt-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/avt>, <mailto:avt-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 05 Sep 2013 03:04:57 -0000

Hi, Magnus:
I agree with your comments below and will remove section 3.

Regards!
-Qin
-----Original Message-----
From: avt-bounces@ietf.org [mailto:avt-bounces@ietf.org] On Behalf Of Magnus Westerlund
Sent: Tuesday, September 03, 2013 8:49 PM
To: Roni Even
Cc: 'Colin Perkins'; avt@ietf.org
Subject: Re: [AVTCORE] New Version Notification for draft-wu-avtcore-dynamic-pt-usage-00.txt

Hi,

I have also looked at this. I think the introduction needs to be much
clearer on what this document's purpose is. To my understanding it is
two fold:
1. Clarify to implementors that yes you can use the payload types in the
lower range for dynamic, including the overriding the static ones.
2. Update the closed IANA registry to actually combine the different set
of changes and make the current state clear.

Based on that I don't see a need to update RFC 3551 in the way section 3
does it.

Maybe I have misunderstood the drivers behind it, but the above is what
I have gotten from the public list discussions I have read.

Cheers

Magnus

On 2013-09-02 13:55, Roni Even wrote:
> Hi Colin,
> The major motivation is to update the closed IANA registry
> http://www.iana.org/assignments/rtp-parameters/rtp-parameters.xhtml#rtp-para
> meters-1 that points to RFC 3551 and does not have the right allocations by
> referring to this document , I have the wrong pointer in the draft. This is
> based on the email thread started with the attached email.
> 
> The other reason is to clarify which payload types from the range 0-95 can
> be used for dynamic mapping and in what order. This is based on the MMUSIC
> session in Berlin and the open issue in section 3.2.1.2 of
> http://tools.ietf.org/id/draft-roach-mmusic-unified-plan-00.txt 
> 
> Roni
> 
>> -----Original Message-----
>> From: Colin Perkins [mailto:csp@csperkins.org]
>> Sent: 02 September, 2013 1:07 PM
>> To: Roni Even
>> Cc: avt@ietf.org WG
>> Subject: Re: [AVTCORE] New Version Notification for draft-wu-avtcore-
>> dynamic-pt-usage-00.txt
>>
>> Roni,
>>
>> Can you explain what's new in this draft? As far as I can tell, it just
> repeats the
>> guidance in RFCs 3551 and 5761.
>>
>> Colin
>>
>>
>>
>> On 30 Aug 2013, at 17:33, Roni Even <ron.even.tlv@gmail.com> wrote:
>>> Hi,
>>> Apologize for the cross posting. Please comment only in avtcore
>>> mailing list
>>>
>>> We have submitted a draft that clarifies the usage of dynamic payload
> type
>> numbers.
>>> This is based on email discussion in MMUSIC Thanks Roni Even
>>>
>>> -----Original Message-----
>>> From: internet-drafts@ietf.org [mailto:internet-drafts@ietf.org]
>>> Sent: 30 August, 2013 7:29 PM
>>> To: Qin Wu; Wenson Wu; Rachel Huang; Roni Even; Rachel Huang
>>> Subject: New Version Notification for
>>> draft-wu-avtcore-dynamic-pt-usage-00.txt
>>>
>>>
>>> A new version of I-D, draft-wu-avtcore-dynamic-pt-usage-00.txt
>>> has been successfully submitted by Qin Wu and posted to the IETF
>> repository.
>>>
>>> Filename:	 draft-wu-avtcore-dynamic-pt-usage
>>> Revision:	 00
>>> Title:		 Guideline for dynamic payload type number usage
> policy
>>> Creation date:	 2013-08-30
>>> Group:		 Individual Submission
>>> Number of pages: 5
>>> URL:             http://www.ietf.org/internet-drafts/draft-wu-avtcore-
>> dynamic-pt-usage-00.txt
>>> Status:
> http://datatracker.ietf.org/doc/draft-wu-avtcore-dynamic-pt-
>> usage
>>> Htmlized:        http://tools.ietf.org/html/draft-wu-avtcore-dynamic-pt-
>> usage-00
>>>
>>>
>>> Abstract:
>>>   The RTP Profile for Audio and Video Conferences with Minimal Control
>>>   (RTP/AVP) is the basis for many other profiles, such as the Secure
>>>   Real-time Transport Protocol (RTP/SAVP), the Extended RTP Profile for
>>>   Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/
>>>   AVPF), and the Extended Secure RTP Profile for RTCP-Based Feedback
>>>   (RTP/SAVPF).  This document updates RFC 3551 and provide guidelines
>>>   for payload type number usage policy.
>>>
>>>
>>>
>>>
>>> Please note that it may take a couple of minutes from the time of
>> submission until the htmlized version and diff are available at
> tools.ietf.org.
>>>
>>> The IETF Secretariat
>>>
>>> _______________________________________________
>>> Audio/Video Transport Core Maintenance avt@ietf.org
>>> https://www.ietf.org/mailman/listinfo/avt
>>
>>
>>
>> --
>> Colin Perkins
>> http://csperkins.org/
>>
> 
> 
> 
> _______________________________________________
> Audio/Video Transport Core Maintenance
> avt@ietf.org
> https://www.ietf.org/mailman/listinfo/avt
> 


-- 

Magnus Westerlund

----------------------------------------------------------------------
Multimedia Technologies, Ericsson Research EAB/TVM
----------------------------------------------------------------------
Ericsson AB                | Phone  +46 10 7148287
Färögatan 6                | Mobile +46 73 0949079
SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com
----------------------------------------------------------------------

_______________________________________________
Audio/Video Transport Core Maintenance
avt@ietf.org
https://www.ietf.org/mailman/listinfo/avt